> A issue related to this is the filesaving screen, I think it would be
> great if it was looked over.
>
> The first thing to fix would be to add a possibility to move the
> cursor without deleting letters in the filename

You can already do this: hold on to ON and then move the cursor left/right.

> Also, on my wishlist would be to browse the filestructure to the place
> where I want a file saved instead of writing out the path.